./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc5c360927b8f961c81c15f32a759fd4b0c6971bec3efffa8564070a88946c3e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:42:44,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:42:44,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:42:44,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:42:44,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:42:44,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:42:44,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:42:44,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:42:44,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:42:44,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:42:44,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:42:44,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:42:44,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:42:44,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:42:44,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:42:44,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:42:44,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:42:44,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:42:44,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:42:44,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:42:44,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:42:44,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:42:44,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:42:44,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:42:44,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:42:44,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:42:44,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:42:44,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:42:44,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:42:44,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:42:44,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:42:44,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:42:44,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:42:44,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:42:44,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:42:44,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:42:44,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:42:44,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:42:44,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:42:44,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:42:44,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:42:44,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:42:44,892 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:42:44,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:42:44,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:42:44,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:42:44,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:42:44,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:42:44,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:42:44,896 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:42:44,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:42:44,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:42:44,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:42:44,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:42:44,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:42:44,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:42:44,898 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:42:44,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:42:44,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:42:44,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:42:44,899 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:42:44,900 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:42:44,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:42:44,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:44,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:42:44,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:42:44,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:42:44,901 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:42:44,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:42:44,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:42:44,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc5c360927b8f961c81c15f32a759fd4b0c6971bec3efffa8564070a88946c3e [2021-11-23 00:42:45,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:42:45,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:42:45,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:42:45,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:42:45,200 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:42:45,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c [2021-11-23 00:42:45,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/data/d59625f19/5f78e61d287448be835c1697cb437436/FLAG94d3ca372 [2021-11-23 00:42:45,787 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:42:45,787 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c [2021-11-23 00:42:45,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/data/d59625f19/5f78e61d287448be835c1697cb437436/FLAG94d3ca372 [2021-11-23 00:42:46,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/data/d59625f19/5f78e61d287448be835c1697cb437436 [2021-11-23 00:42:46,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:42:46,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:42:46,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:46,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:42:46,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:42:46,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548a33bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46, skipping insertion in model container [2021-11-23 00:42:46,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:42:46,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:42:46,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c[12914,12927] [2021-11-23 00:42:46,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:46,509 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:42:46,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c[12914,12927] [2021-11-23 00:42:46,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:46,611 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:42:46,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46 WrapperNode [2021-11-23 00:42:46,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:46,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:46,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:42:46,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:42:46,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,687 INFO L137 Inliner]: procedures = 22, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 441 [2021-11-23 00:42:46,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:46,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:42:46,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:42:46,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:42:46,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:42:46,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:42:46,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:42:46,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:42:46,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:46" (1/1) ... [2021-11-23 00:42:46,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:46,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:42:46,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:42:46,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:42:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:42:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:42:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:42:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:42:46,925 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:42:46,927 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:42:47,535 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:42:48,092 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:42:48,092 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:42:48,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:48 BoogieIcfgContainer [2021-11-23 00:42:48,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:42:48,096 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:42:48,096 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:42:48,105 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:42:48,106 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:48" (1/1) ... [2021-11-23 00:42:48,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:42:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 00:42:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 00:42:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:42:48,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:48,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:49,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-23 00:42:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-23 00:42:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:42:49,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:49,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-23 00:42:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-23 00:42:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:42:49,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:49,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-23 00:42:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-23 00:42:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:42:50,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:50,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:51,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-23 00:42:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-23 00:42:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:42:51,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:51,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:52,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-23 00:42:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-23 00:42:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:52,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:52,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2021-11-23 00:42:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-11-23 00:42:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:42:53,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2021-11-23 00:42:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2021-11-23 00:42:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:42:53,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2021-11-23 00:42:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2021-11-23 00:42:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:42:53,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2021-11-23 00:42:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2021-11-23 00:42:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:42:55,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:55,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2021-11-23 00:42:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2021-11-23 00:42:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:42:56,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:56,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 76 states and 130 transitions. [2021-11-23 00:43:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 130 transitions. [2021-11-23 00:43:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:00,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:00,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 93 states and 162 transitions. [2021-11-23 00:43:06,395 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 162 transitions. [2021-11-23 00:43:06,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:06,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:06,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2021-11-23 00:43:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2021-11-23 00:43:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:43:07,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:07,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:07,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 112 states and 196 transitions. [2021-11-23 00:43:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 196 transitions. [2021-11-23 00:43:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:43:12,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:12,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:13,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 114 states and 202 transitions. [2021-11-23 00:43:13,541 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 202 transitions. [2021-11-23 00:43:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:43:13,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:14,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 115 states and 204 transitions. [2021-11-23 00:43:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 204 transitions. [2021-11-23 00:43:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:14,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:14,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 129 states and 231 transitions. [2021-11-23 00:43:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2021-11-23 00:43:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:19,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:19,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:20,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:20,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 130 states and 236 transitions. [2021-11-23 00:43:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 236 transitions. [2021-11-23 00:43:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:20,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:20,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 132 states and 239 transitions. [2021-11-23 00:43:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 239 transitions. [2021-11-23 00:43:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:21,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:21,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 133 states and 240 transitions. [2021-11-23 00:43:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 240 transitions. [2021-11-23 00:43:22,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:22,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:22,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:23,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 134 states and 245 transitions. [2021-11-23 00:43:23,101 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 245 transitions. [2021-11-23 00:43:23,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:43:23,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:23,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:43:23,478 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:43:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:43:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:43:23,926 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:43:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:43:24,145 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2021-11-23 00:43:24,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:43:24 ImpRootNode [2021-11-23 00:43:24,329 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:43:24,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:43:24,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:43:24,330 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:43:24,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:48" (3/4) ... [2021-11-23 00:43:24,332 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:43:24,502 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:43:24,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:43:24,503 INFO L158 Benchmark]: Toolchain (without parser) took 38351.17ms. Allocated memory was 94.4MB in the beginning and 358.6MB in the end (delta: 264.2MB). Free memory was 59.9MB in the beginning and 180.8MB in the end (delta: -120.9MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. [2021-11-23 00:43:24,503 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:43:24,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.17ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 65.3MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:43:24,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.63ms. Allocated memory is still 94.4MB. Free memory was 65.3MB in the beginning and 62.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:43:24,505 INFO L158 Benchmark]: Boogie Preprocessor took 38.49ms. Allocated memory is still 94.4MB. Free memory was 62.3MB in the beginning and 59.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:43:24,505 INFO L158 Benchmark]: RCFGBuilder took 1367.13ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 59.7MB in the beginning and 47.8MB in the end (delta: 11.9MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-11-23 00:43:24,506 INFO L158 Benchmark]: CodeCheck took 36233.61ms. Allocated memory was 117.4MB in the beginning and 358.6MB in the end (delta: 241.2MB). Free memory was 47.0MB in the beginning and 193.4MB in the end (delta: -146.4MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2021-11-23 00:43:24,506 INFO L158 Benchmark]: Witness Printer took 172.49ms. Allocated memory is still 358.6MB. Free memory was 193.4MB in the beginning and 180.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:43:24,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.0s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2763 SdHoareTripleChecker+Valid, 22.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2119 mSDsluCounter, 937 SdHoareTripleChecker+Invalid, 19.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 618 mSDsCounter, 1173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7372 IncrementalHoareTripleChecker+Invalid, 8545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1173 mSolverCounterUnsat, 319 mSDtfsCounter, 7372 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3400 GetRequests, 2873 SyntacticMatches, 133 SemanticMatches, 394 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84830 ImplicationChecksByTransitivity, 27.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 377 NumberOfCodeBlocks, 377 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 2717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 22/67 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 566]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] msg_t nomsg = (msg_t )-1; [L26] port_t p12 ; [L27] char p12_old ; [L28] char p12_new ; [L29] _Bool ep12 ; [L30] port_t p13 ; [L31] char p13_old ; [L32] char p13_new ; [L33] _Bool ep13 ; [L34] port_t p21 ; [L35] char p21_old ; [L36] char p21_new ; [L37] _Bool ep21 ; [L38] port_t p23 ; [L39] char p23_old ; [L40] char p23_new ; [L41] _Bool ep23 ; [L42] port_t p31 ; [L43] char p31_old ; [L44] char p31_new ; [L45] _Bool ep31 ; [L46] port_t p32 ; [L47] char p32_old ; [L48] char p32_new ; [L49] _Bool ep32 ; [L50] char id1 ; [L51] unsigned char r1 ; [L52] char st1 ; [L53] char nl1 ; [L54] char m1 ; [L55] char max1 ; [L56] _Bool mode1 ; [L57] char id2 ; [L58] unsigned char r2 ; [L59] char st2 ; [L60] char nl2 ; [L61] char m2 ; [L62] char max2 ; [L63] _Bool mode2 ; [L64] char id3 ; [L65] unsigned char r3 ; [L66] char st3 ; [L67] char nl3 ; [L68] char m3 ; [L69] char max3 ; [L70] _Bool mode3 ; [L486] int c1 ; [L487] int i2 ; [L490] c1 = 0 [L491] ep12 = __VERIFIER_nondet_bool() [L492] ep13 = __VERIFIER_nondet_bool() [L493] ep21 = __VERIFIER_nondet_bool() [L494] ep23 = __VERIFIER_nondet_bool() [L495] ep31 = __VERIFIER_nondet_bool() [L496] ep32 = __VERIFIER_nondet_bool() [L497] id1 = __VERIFIER_nondet_char() [L498] r1 = __VERIFIER_nondet_uchar() [L499] st1 = __VERIFIER_nondet_char() [L500] nl1 = __VERIFIER_nondet_char() [L501] m1 = __VERIFIER_nondet_char() [L502] max1 = __VERIFIER_nondet_char() [L503] mode1 = __VERIFIER_nondet_bool() [L504] id2 = __VERIFIER_nondet_char() [L505] r2 = __VERIFIER_nondet_uchar() [L506] st2 = __VERIFIER_nondet_char() [L507] nl2 = __VERIFIER_nondet_char() [L508] m2 = __VERIFIER_nondet_char() [L509] max2 = __VERIFIER_nondet_char() [L510] mode2 = __VERIFIER_nondet_bool() [L511] id3 = __VERIFIER_nondet_char() [L512] r3 = __VERIFIER_nondet_uchar() [L513] st3 = __VERIFIER_nondet_char() [L514] nl3 = __VERIFIER_nondet_char() [L515] m3 = __VERIFIER_nondet_char() [L516] max3 = __VERIFIER_nondet_char() [L517] mode3 = __VERIFIER_nondet_bool() [L518] CALL, EXPR init() [L211] _Bool r121 ; [L212] _Bool r131 ; [L213] _Bool r211 ; [L214] _Bool r231 ; [L215] _Bool r311 ; [L216] _Bool r321 ; [L217] _Bool r122 ; [L218] int tmp ; [L219] _Bool r132 ; [L220] int tmp___0 ; [L221] _Bool r212 ; [L222] int tmp___1 ; [L223] _Bool r232 ; [L224] int tmp___2 ; [L225] _Bool r312 ; [L226] int tmp___3 ; [L227] _Bool r322 ; [L228] int tmp___4 ; [L229] int tmp___5 ; [L232] r121 = ep12 [L233] r131 = ep13 [L234] r211 = ep21 [L235] r231 = ep23 [L236] r311 = ep31 [L237] r321 = ep32 [L238] COND TRUE \read(r121) [L239] tmp = 1 [L250] r122 = (_Bool )tmp [L251] COND TRUE \read(r131) [L252] tmp___0 = 1 [L263] r132 = (_Bool )tmp___0 [L264] COND FALSE !(\read(r211)) [L267] COND TRUE \read(r231) [L268] COND TRUE \read(ep31) [L269] tmp___1 = 1 [L276] r212 = (_Bool )tmp___1 [L277] COND TRUE \read(r231) [L278] tmp___2 = 1 [L289] r232 = (_Bool )tmp___2 [L290] COND TRUE \read(r311) [L291] tmp___3 = 1 [L302] r312 = (_Bool )tmp___3 [L303] COND TRUE \read(r321) [L304] tmp___4 = 1 [L315] r322 = (_Bool )tmp___4 [L316] COND TRUE (int )id1 != (int )id2 [L317] COND TRUE (int )id1 != (int )id3 [L318] COND TRUE (int )id2 != (int )id3 [L319] COND TRUE (int )id1 >= 0 [L320] COND TRUE (int )id2 >= 0 [L321] COND TRUE (int )id3 >= 0 [L322] COND TRUE (int )r1 == 0 [L323] COND TRUE (int )r2 == 0 [L324] COND TRUE (int )r3 == 0 [L325] COND TRUE \read(r122) [L326] COND TRUE \read(r132) [L327] COND TRUE \read(r212) [L328] COND TRUE \read(r232) [L329] COND TRUE \read(r312) [L330] COND TRUE \read(r322) [L331] COND TRUE (int )max1 == (int )id1 [L332] COND TRUE (int )max2 == (int )id2 [L333] COND TRUE (int )max3 == (int )id3 [L334] COND TRUE (int )st1 == 0 [L335] COND TRUE (int )st2 == 0 [L336] COND TRUE (int )st3 == 0 [L337] COND TRUE (int )nl1 == 0 [L338] COND TRUE (int )nl2 == 0 [L339] COND TRUE (int )nl3 == 0 [L340] COND TRUE (int )mode1 == 0 [L341] COND TRUE (int )mode2 == 0 [L342] COND TRUE (int )mode3 == 0 [L343] tmp___5 = 1 [L425] return (tmp___5); [L518] RET, EXPR init() [L518] i2 = init() [L519] COND FALSE !(!i2) [L522] p12_old = nomsg [L523] p12_new = nomsg [L524] p13_old = nomsg [L525] p13_new = nomsg [L526] p21_old = nomsg [L527] p21_new = nomsg [L528] p23_old = nomsg [L529] p23_new = nomsg [L530] p31_old = nomsg [L531] p31_new = nomsg [L532] p32_old = nomsg [L533] p32_new = nomsg [L534] i2 = 0 VAL [c1=0, ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, i2=0, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L535] COND TRUE 1 [L537] CALL node1() [L76] COND FALSE !(\read(mode1)) [L104] COND TRUE (int )r1 < 2 [L105] COND TRUE \read(ep12) [L106] EXPR max1 != nomsg && p12_new == nomsg ? max1 : p12_new [L106] p12_new = max1 != nomsg && p12_new == nomsg ? max1 : p12_new [L108] COND TRUE \read(ep13) [L109] EXPR max1 != nomsg && p13_new == nomsg ? max1 : p13_new [L109] p13_new = max1 != nomsg && p13_new == nomsg ? max1 : p13_new [L112] mode1 = (_Bool)1 [L537] RET node1() [L538] CALL node2() [L122] COND FALSE !(\read(mode2)) [L150] COND TRUE (int )r2 < 2 [L151] COND FALSE !(\read(ep21)) [L154] COND TRUE \read(ep23) [L155] EXPR max2 != nomsg && p23_new == nomsg ? max2 : p23_new [L155] p23_new = max2 != nomsg && p23_new == nomsg ? max2 : p23_new [L158] mode2 = (_Bool)1 [L538] RET node2() [L539] CALL node3() [L168] COND FALSE !(\read(mode3)) [L196] COND TRUE (int )r3 < 2 [L197] COND TRUE \read(ep31) [L198] EXPR max3 != nomsg && p31_new == nomsg ? max3 : p31_new [L198] p31_new = max3 != nomsg && p31_new == nomsg ? max3 : p31_new [L200] COND TRUE \read(ep32) [L201] EXPR max3 != nomsg && p32_new == nomsg ? max3 : p32_new [L201] p32_new = max3 != nomsg && p32_new == nomsg ? max3 : p32_new [L204] mode3 = (_Bool)1 [L539] RET node3() [L540] p12_old = p12_new [L541] p12_new = nomsg [L542] p13_old = p13_new [L543] p13_new = nomsg [L544] p21_old = p21_new [L545] p21_new = nomsg [L546] p23_old = p23_new [L547] p23_new = nomsg [L548] p31_old = p31_new [L549] p31_new = nomsg [L550] p32_old = p32_new [L551] p32_new = nomsg [L552] CALL, EXPR check() [L430] int tmp ; VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L433] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L434] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L435] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L436] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L437] COND FALSE !((int )r1 >= 2) VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L440] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L442] COND TRUE (int )r1 < 2 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L447] COND FALSE !((int )r1 >= 2) VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L450] COND TRUE ((int )nl1 + (int )nl2) + (int )nl3 == 0 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L452] COND TRUE (int )r1 < 2 [L453] tmp = 1 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0, tmp=1] [L481] return (tmp); [L552] RET, EXPR check() [L552] c1 = check() [L553] CALL assert(c1) [L564] COND FALSE !(! arg) VAL [\old(arg)=1, arg=1, ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=123, m2=127, m3=-128, max1=126, max2=125, max3=124, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=125, p31=0, p31_new=-1, p31_old=124, p32=0, p32_new=-1, p32_old=124, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L553] RET assert(c1) [L535] COND TRUE 1 [L537] CALL node1() [L76] COND TRUE \read(mode1) [L77] COND FALSE !(r1 == 255) [L80] r1 = r1 + 1 [L81] COND FALSE !(\read(ep21)) [L88] COND TRUE \read(ep31) [L89] m1 = p31_old [L90] p31_old = nomsg [L91] COND FALSE !((int )m1 > (int )max1) [L95] COND TRUE (int )r1 == 1 [L96] COND TRUE (int )max1 == (int )id1 [L97] st1 = (char)1 [L102] mode1 = (_Bool)0 [L537] RET node1() [L538] CALL node2() [L122] COND TRUE \read(mode2) [L123] COND FALSE !(r2 == 255) [L126] r2 = r2 + 1 [L127] COND TRUE \read(ep12) [L128] m2 = p12_old [L129] p12_old = nomsg [L130] COND TRUE (int )m2 > (int )max2 [L131] max2 = m2 [L134] COND TRUE \read(ep32) [L135] m2 = p32_old [L136] p32_old = nomsg [L137] COND FALSE !((int )m2 > (int )max2) [L141] COND FALSE !((int )r2 == 2) [L148] mode2 = (_Bool)0 [L538] RET node2() [L539] CALL node3() [L168] COND TRUE \read(mode3) [L169] COND FALSE !(r3 == 255) [L172] r3 = r3 + 1 [L173] COND TRUE \read(ep13) [L174] m3 = p13_old [L175] p13_old = nomsg [L176] COND TRUE (int )m3 > (int )max3 [L177] max3 = m3 [L180] COND TRUE \read(ep23) [L181] m3 = p23_old [L182] p23_old = nomsg [L183] COND FALSE !((int )m3 > (int )max3) [L187] COND FALSE !((int )r3 == 2) [L194] mode3 = (_Bool)0 [L539] RET node3() [L540] p12_old = p12_new [L541] p12_new = nomsg [L542] p13_old = p13_new [L543] p13_new = nomsg [L544] p21_old = p21_new [L545] p21_new = nomsg [L546] p23_old = p23_new [L547] p23_new = nomsg [L548] p31_old = p31_new [L549] p31_new = nomsg [L550] p32_old = p32_new [L551] p32_new = nomsg [L552] CALL, EXPR check() [L430] int tmp ; VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=124, m2=124, m3=125, max1=126, max2=126, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L433] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=124, m2=124, m3=125, max1=126, max2=126, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L434] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=124, m2=124, m3=125, max1=126, max2=126, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L435] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=124, m2=124, m3=125, max1=126, max2=126, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L436] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=124, m2=124, m3=125, max1=126, max2=126, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L437] COND FALSE !((int )r1 >= 2) VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=124, m2=124, m3=125, max1=126, max2=126, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L440] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 0) [L467] tmp = 0 VAL [ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=124, m2=124, m3=125, max1=126, max2=126, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0, tmp=0] [L481] return (tmp); [L552] RET, EXPR check() [L552] c1 = check() [L553] CALL assert(c1) [L564] COND TRUE ! arg VAL [\old(arg)=0, arg=0, ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=124, m2=124, m3=125, max1=126, max2=126, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L566] reach_error() VAL [\old(arg)=0, arg=0, ep12=255, ep13=1, ep21=0, ep23=255, ep31=255, ep32=1, id1=126, id2=125, id3=124, m1=124, m2=124, m3=125, max1=126, max2=126, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.17ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 65.3MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.63ms. Allocated memory is still 94.4MB. Free memory was 65.3MB in the beginning and 62.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.49ms. Allocated memory is still 94.4MB. Free memory was 62.3MB in the beginning and 59.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1367.13ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 59.7MB in the beginning and 47.8MB in the end (delta: 11.9MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * CodeCheck took 36233.61ms. Allocated memory was 117.4MB in the beginning and 358.6MB in the end (delta: 241.2MB). Free memory was 47.0MB in the beginning and 193.4MB in the end (delta: -146.4MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. * Witness Printer took 172.49ms. Allocated memory is still 358.6MB. Free memory was 193.4MB in the beginning and 180.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:43:24,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bbdb1-d4cc-4444-bdff-6f83cae6ee36/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE